Unforgotten
London police detectives Cassie Stuart and Sunny Khan investigate historic cold cases involving missing persons, murder and long-hidden secrets.
On screen
Top Cast
Sanjeev Bhaskar
DS Sunil 'Sunny' Khan
Carolina Main
DC Fran Lingley
Jordan Long
DS Murray Boulting
Nicola Walker
DCI Cassie Stuart
Lewis Reeves
DC Jake Collier
Peter Egan
Martin
Sinéad Keenan
DCI Jessica 'Jessie' James
Pippa Nixon
DC Karen Willetts
Alastair Mackenzie
John Bentley
Georgia Mackenzie
Dr. Leanne Balcombe
Kate Robbins
Kate
Andrew Lancel
Steve James
Episodes guide
Seasons
Season 1
6 episodes · 2015
Season 2
6 episodes · 2017
Season 3
6 episodes · 2018
Season 4
6 episodes · 2021
Season 5
6 episodes · 2023
Season 6
6 episodes · 2025
Preview
Official Trailer
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